1490511456 has 288 divisors, whose sum is σ = 5085400320. Its totient is φ = 420650496.

The previous prime is 1490511359. The next prime is 1490511457. The reversal of 1490511456 is 6541150941.

1490511456 is a `hidden beast` number, since 1 + 4 + 90 + 511 + 4 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1490511456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490511457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7565950 + ... + 7566146.

It is an arithmetic number, because the mean of its divisors is an integer number (17657640).

Almost surely, 2^1490511456 is an apocalyptic number.

1490511456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490511456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542700160).

1490511456 is an abundant number, since it is smaller than the sum of its proper divisors (3594888864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1490511456 is a wasteful number, since it uses less digits than its factorization.

1490511456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 1490511456 is about 38607.1425516057. The cubic root of 1490511456 is about 1142.2954303692.

The spelling of 1490511456 in words is "one billion, four hundred ninety million, five hundred eleven thousand, four hundred fifty-six".